Delta Particles Achievements Here is the full list of all 53 Delta Particles achievements.Filter Achievement View View Image viewList view Sort by Won first then by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply AllWonNot wonHelpful storage roomUnlock all rooms with supplies inside. 12 March 2026 - Add a guideMight makes rightDestroy one Robotic Infantry unit with a melee weapon. 12 March 2026 - Add a guideOops, nothing personalBlow up the container with the scientist inside. 12 March 2026 - Add a guideI said don't go in thereEnter the barricaded room against the scientist's advice. 12 March 2026 - Add a guideSafety violationYou were squashed by a cargo container. 12 March 2026 - Add a guideSomething else?Watch the post-credits scene. 08 March 2026 - Add a guideMore than just a gamerFinish the game on medium difficulty. 08 March 2026 - Add a guideDelta-ChadFinish the game on hard difficulty. 08 March 2026 - Add a guideIt's based. It's Delta BasedFinish the campaign. 08 March 2026 - Add a guideHeart-stoppingly cute momentEnter the portal. 08 March 2026 - Add a guideVeteran of the shootersKill three alien controllers with the under-barrel grenade launcher. 08 March 2026 - Add a guideStrange placeVisit a rotating radioactive asteroid. 08 March 2026 - Add a guideFlies don't let sleepDestroy all alien hives in Xen. 08 March 2026 - Add a guideGood riddanceGet caught in an alien storm and successfully die there. 08 March 2026 - Add a guideUnnecessary crueltyKill the bullsquid before it gets into the hurricane. 08 March 2026 - Add a guideBlue lagoonSurvive the Xen arena without using the healing pool. 08 March 2026 - Add a guideDeforestationDestroy 25 Xen Trees. 08 March 2026 - Add a guidePunishment for ImmortalityDestroy 10 Xen Trees. 08 March 2026 - Add a guideUnknown worldFind yourself in the alien world. 08 March 2026 - Add a guideResuscitated hopeFind Diana in the tunnels. 08 March 2026 - Add a guideFashionistaDiana equipped a protection suit. 08 March 2026 - Add a guideNo brains at all anymoreBehead 125 enemies. 08 March 2026 - Add a guideIn the line of fireKill two enemies with the Light Gun in one shot. 08 March 2026 - Add a guideTo use a sledgehammer to crack a nutKill five headcrabs with the sniper rifle. 08 March 2026 - Add a guideWe are saved… or not?Transmit a SOS signal from the helipad. 08 March 2026 - Add a guideMechanical manActivate the guard robot at the robot factory. 08 March 2026 - Add a guideLocomotiveGet through the place after parking without destroying an enemy SUV. 08 March 2026 - Add a guideScience and madnessStabilize the power generator. 08 March 2026 - Add a guideIntimidating but ineffectiveTurn on the power and open the fence door without killing Garg. 07 March 2026 - Add a guideHurry up, before he looks away from us...It seems you've been robbed of something valuable. 07 March 2026 - Add a guideIn the darknessTurn off the light and leave the basement. 07 March 2026 - Add a guideIt's high noon!Kill six enemies in a row with a single clip from your revolver without changing weapons. 07 March 2026 - Add a guideAnyway, you're already deadKill a struggling scientist in the basement. 07 March 2026 - Add a guideSilence 2.0Pick up a silencer for SMG. 07 March 2026 - Add a guideIt's redundantBehead 60 enemies. 07 March 2026 - Add a guideOvertimeGet the cargo down to the railcar. 07 March 2026 - Add a guideSwiftly and without sufferingDump the chemicals. 07 March 2026 - Add a guideDecapitation!Behead 25 enemies. 07 March 2026 - Add a guideFree travelTake a trip on the monorail train. 07 March 2026 - Add a guideRadical problem solvingDemolish the jammed door. 07 March 2026 - Add a guideIt was difficult, but I succeededSave the security officer from three zombies in the lab. 07 March 2026 - Add a guideGot you!Save the scientist from zombie in the lab. 07 March 2026 - Add a guideHands off!Kill the headcrab inside the healing pod. 07 March 2026 - Add a guidePleasant meetingMeet Diana after the disaster. 07 March 2026 - Add a guideThree hatchets 777Find a bottle of healing liquid and drink it. 07 March 2026 - Add a guideOh, my!Find "interesting" photos. 07 March 2026 - Add a guideAt the employer's expenseDrink 25 soda cans. 07 March 2026 - Add a guideLow batteryGet additional points of armor from the technician three times. 07 March 2026 - Add a guideIt's a really big gunFind a shotgun early. 07 March 2026 - Add a guideJewelry workBehead a zombie using the pipe wrench. 07 March 2026 - Add a guideWho's here?Turn on emergency power supply after the disaster. 07 March 2026 - Add a guideFriends like you…Prevent security officer from listening to music. 07 March 2026 - Add a guideRare colorEquip a protection suit. 07 March 2026 - Add a guide